diff --git a/packages/google-cloud-vision/google/cloud/vision_v1/types/image_annotator.py b/packages/google-cloud-vision/google/cloud/vision_v1/types/image_annotator.py
index 8eeac3f66e45..d14ff8c45f09 100644
--- a/packages/google-cloud-vision/google/cloud/vision_v1/types/image_annotator.py
+++ b/packages/google-cloud-vision/google/cloud/vision_v1/types/image_annotator.py
@@ -97,9 +97,11 @@ class Feature(proto.Message):
             ``TEXT_DETECTION``, ``DOCUMENT_TEXT_DETECTION``, or
             ``CROP_HINTS``.
         model (str):
-            Model to use for the feature.
-            Supported values: "builtin/stable" (the default
-            if unset) and "builtin/latest".
+            Model to use for the feature. Supported values:
+            "builtin/stable" (the default if unset) and
+            "builtin/latest". ``DOCUMENT_TEXT_DETECTION`` and
+            ``TEXT_DETECTION`` also support "builtin/weekly" for the
+            bleeding edge release updated weekly.
     """
 
     class Type(proto.Enum):
diff --git a/packages/google-cloud-vision/google/cloud/vision_v1p1beta1/types/image_annotator.py b/packages/google-cloud-vision/google/cloud/vision_v1p1beta1/types/image_annotator.py
index 4e5818f30acb..2633fac18f1a 100644
--- a/packages/google-cloud-vision/google/cloud/vision_v1p1beta1/types/image_annotator.py
+++ b/packages/google-cloud-vision/google/cloud/vision_v1p1beta1/types/image_annotator.py
@@ -78,9 +78,11 @@ class Feature(proto.Message):
         max_results (int):
             Maximum number of results of this type.
         model (str):
-            Model to use for the feature.
-            Supported values: "builtin/stable" (the default
-            if unset) and "builtin/latest".
+            Model to use for the feature. Supported values:
+            "builtin/stable" (the default if unset) and
+            "builtin/latest". ``DOCUMENT_TEXT_DETECTION`` and
+            ``TEXT_DETECTION`` also support "builtin/weekly" for the
+            bleeding edge release updated weekly.
     """
 
     class Type(proto.Enum):
diff --git a/packages/google-cloud-vision/google/cloud/vision_v1p2beta1/types/image_annotator.py b/packages/google-cloud-vision/google/cloud/vision_v1p2beta1/types/image_annotator.py
index 90c647a43749..cea218d11fdb 100644
--- a/packages/google-cloud-vision/google/cloud/vision_v1p2beta1/types/image_annotator.py
+++ b/packages/google-cloud-vision/google/cloud/vision_v1p2beta1/types/image_annotator.py
@@ -90,9 +90,11 @@ class Feature(proto.Message):
             ``TEXT_DETECTION``, ``DOCUMENT_TEXT_DETECTION``, or
             ``CROP_HINTS``.
         model (str):
-            Model to use for the feature.
-            Supported values: "builtin/stable" (the default
-            if unset) and "builtin/latest".
+            Model to use for the feature. Supported values:
+            "builtin/stable" (the default if unset) and
+            "builtin/latest". ``DOCUMENT_TEXT_DETECTION`` and
+            ``TEXT_DETECTION`` also support "builtin/weekly" for the
+            bleeding edge release updated weekly.
     """
 
     class Type(proto.Enum):
diff --git a/packages/google-cloud-vision/google/cloud/vision_v1p3beta1/types/image_annotator.py b/packages/google-cloud-vision/google/cloud/vision_v1p3beta1/types/image_annotator.py
index aa93bfd009d0..f60e5553d04c 100644
--- a/packages/google-cloud-vision/google/cloud/vision_v1p3beta1/types/image_annotator.py
+++ b/packages/google-cloud-vision/google/cloud/vision_v1p3beta1/types/image_annotator.py
@@ -92,9 +92,11 @@ class Feature(proto.Message):
             ``TEXT_DETECTION``, ``DOCUMENT_TEXT_DETECTION``, or
             ``CROP_HINTS``.
         model (str):
-            Model to use for the feature.
-            Supported values: "builtin/stable" (the default
-            if unset) and "builtin/latest".
+            Model to use for the feature. Supported values:
+            "builtin/stable" (the default if unset) and
+            "builtin/latest". ``DOCUMENT_TEXT_DETECTION`` and
+            ``TEXT_DETECTION`` also support "builtin/weekly" for the
+            bleeding edge release updated weekly.
     """
 
     class Type(proto.Enum):
diff --git a/packages/google-cloud-vision/google/cloud/vision_v1p4beta1/types/image_annotator.py b/packages/google-cloud-vision/google/cloud/vision_v1p4beta1/types/image_annotator.py
index 466aa26e2464..66d346bf75d3 100644
--- a/packages/google-cloud-vision/google/cloud/vision_v1p4beta1/types/image_annotator.py
+++ b/packages/google-cloud-vision/google/cloud/vision_v1p4beta1/types/image_annotator.py
@@ -98,9 +98,11 @@ class Feature(proto.Message):
             ``TEXT_DETECTION``, ``DOCUMENT_TEXT_DETECTION``, or
             ``CROP_HINTS``.
         model (str):
-            Model to use for the feature.
-            Supported values: "builtin/stable" (the default
-            if unset) and "builtin/latest".
+            Model to use for the feature. Supported values:
+            "builtin/stable" (the default if unset) and
+            "builtin/latest". ``DOCUMENT_TEXT_DETECTION`` and
+            ``TEXT_DETECTION`` also support "builtin/weekly" for the
+            bleeding edge release updated weekly.
     """
 
     class Type(proto.Enum):